Selective valve to pass fluids

Details Selective valve to pass fluids Selective valve to pass fluids

1989-12-12

1991-10-08

Cohan, Alan

Fluid handling

Diverse fluid containing pressure systems

Fluid separating traps or vents

417435, 137565, F04B 2100

Patent

active

050545108

ABSTRACT:
A selective valve to pass fluids consists of a body, and a housing, and is provided above and in the middle with a communicating passage for low surface tension and viscosity fluid, there being shells inside the body, seated upon the aforesaid housing, said shells consisting of a surface of a shape and a size that is controlled, a soft surface, and orifices, a sealing surface created in the control area of the shells where it meets the housing. There are below and in the middle, a communicating passage in touch with the fluid compressed by the pump. Preferred versions of the selective valve are provided with controlling blades and a ball and roughness controlling surfaces instead of the shells.

REFERENCES:
patent: 2908282 (1959-10-01), Maisch
patent: 3031845 (1962-05-01), Ludwig
patent: 3601140 (1969-06-01), Hooper
patent: 3861471 (1975-01-01), Douglas
patent: 4490095 (1984-12-01), Soderberg
patent: 4867242 (1989-09-01), Hart

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